Home / 15,004,850.18-20,706,713.78-8,129,332.26

Finding the Fourth Proportional to 15,004,850.18, 20,706,713.78 and 8,129,332.26

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Solution

The fourth proportional to 15,004,850.18, 20,706,713.78 and 8,129,332.26 is: 11,218,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004,850.18 : 20,706,713.78 = 8,129,332.26 : x
  2. Step 2: Convert to fraction form
    15,004,850.18/20,706,713.78 = 8,129,332.26/x
  3. Step 3: Cross multiply
    15,004,850.18x = 20,706,713.78 × 8,129,332.26
  4. Step 4: Simplify right side
    15,004,850.18x = 168,331,756,289,693.88
  5. Step 5: Solve for x
    x = 168,331,756,289,693.88/15,004,850.18
  6. Step 6: Final answer
    x = 11,218,489.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.